A motor vehicle equipped with airbrakes or equipped to operate airbrakes on towed vehicles shall be equipped with a pressure gauge of reliable and satisfactory construction and maintained in an efficient working condition, accurate within 10 percent of the actual air reservoir pressure, and visible and legible to a person when seated in the driving position.
(Amended by Stats. 2010, Ch. 491, Sec. 46. (SB 1318) Effective January 1, 2011.)